Rename branch to match the proper revision to backport

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x-r1537193@1537217 13f79535-47bb-0310-9956-ffa450edef68
Merge r1537221 from trunk

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x-r1537193@1537223 13f79535-47bb-0310-9956-ffa450edef68
On the ^/subversion/branches/1.8.x-r1537193 branch: Fix build.

* subversion/tests/svn_test_main.c
  (): add missing #include

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x-r1537193@1540428 13f79535-47bb-0310-9956-ffa450edef68
Merge r1537263 from trunk:

 * r1537263
   Fix checksum-test not linking
   Justification:
     Our svn-x64-ubuntu-gcc buildbot is broken
   Votes:
     +1: breser, philip, stefan2


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1542007 13f79535-47bb-0310-9956-ffa450edef68